Temperature compensation method, printed circuit board, compressor and vehicle

A printed circuit board, temperature compensation technology, applied to thermometers, thermometer parts, thermometers with direct heat-sensitive electric/magnetic components, etc., can solve problems such as the influence of compressor reliability

Active Publication Date: 2020-06-05
安庆威灵汽车部件有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the temperature detection error is large, it will have a great impact on the service

Method used

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  • Temperature compensation method, printed circuit board, compressor and vehicle
  • Temperature compensation method, printed circuit board, compressor and vehicle
  • Temperature compensation method, printed circuit board, compressor and vehicle

Examples

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Embodiment Construction

[0042]In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0043] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited by the specific details disclosed below. EXAMPLE LIMITATIONS.

[0044] Embodiments of the first aspect of the invention provide a temperature compensation method.

[0045] figure 1 A schematic flowchart of a temperature compensation method according to an embodi...

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Abstract

The invention provides a temperature compensation method, a printed circuit board, a compressor and a vehicle. The temperature compensation method comprises the steps of: obtaining a data package, enabling the data package to comprise a plurality of data pairs, enabling each data pair to comprise an associated voltage and a measurement temperature, and enabling the measurement temperature to be calculated through a voltage and voltage temperature relation, performing clustering calculation on the data package to obtain a plurality of central data pairs, and forming a central data pair group bythe plurality of central data pairs, fitting a voltage temperature curve by the central data pair group, and generating a temperature compensation model according to the voltage temperature curve andthe theoretical voltage temperature curve, the temperature compensation model being used for compensating the measurement temperature. According to the temperature compensation method provided by theinvention, the digital signal of the NTC temperature-sensitive resistor is acquired, the data is analyzed by using a signal processing method, and finally, the temperature compensation model for monitoring the temperature in real time is established to compensate the measurement temperature, so that the temperature detection precision can be improved, and the printed circuit board can be protected more effectively.

Description

technical field [0001] The present invention relates to the field of electric vehicle compressor control, in particular to a temperature compensation method, a computer device, a computer-readable storage medium, a printed circuit board, a compressor and a vehicle. Background technique [0002] The commonly used NTC (negative temperature coefficient, negative temperature coefficient) thermistor is a temperature-sensitive resistor with a negative temperature coefficient, which changes with the change of temperature. The principle of temperature measurement is to derive the corresponding resistance value by collecting the voltage change at both ends of the resistor, and then use the look-up table method to find out the temperature corresponding to the resistance value. In practical applications, this temperature protection strategy will cause large errors, because the resistance value of the resistor may deviate from the calibration value, and the change in actual conditions i...

Claims

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Application Information

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IPC IPC(8): G01K1/20G01K7/22G01K7/02
CPCG01K1/20G01K7/22G01K7/02
Inventor 谢静仁
Owner 安庆威灵汽车部件有限公司
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